​​“Costello has been setting a standard of musicianship that has seasoned observers talking about Glasgow as a jazz hotbed of approaching New York proportions.” - The Herald​"One of the most exciting young players to emerge from today’s particularly vibrant Glasgow scene...Costello and his cohorts are definitely ones to watch"- Bandcamp

“the fact that this is the project's debut seems remarkable”- London Jazz News

"some of the most exciting new music for a long time"- Patrick Hadfield, On The Beat

“one of the most talked-about bands on the Glasgow – and wider – scene” - The Herald

​"…one of the most exciting and innovative artists this year...their musicianship is faultless and have gained a notable reputation for their live performances” - Podcart

​“the group have become known for their vital and fresh expressions in jazz” - Tenement TV